EIGHTH ANNUAL REPORT. 



139 



MALE, ^^ 



NATURAL SIZE. £_ 



FEMALE, NATURAL SIZE. 



CAUDAL EXTREMITY OF MALE, MAGNIFIED. 



FILARIA IMMITIS (LEIDY). 



retiring to the large vessels of the chest and abdomen during the 

 day, after the manner of the Filaria sanguinis hominis. In the 

 heart they are usually found wound around the columns carnce 

 and cord(B tendina. I have also found them in the pulmonary ar- 

 tery and its ramifications in the lungs. 



